package homework;
/*
  A
  AB
  BCD
  DEFG
  GHIJK
*/
public class Homework7 {
	public static void main(String[] args) {
		int unicode = 65;
		for(int i = 1; i <= 5; i++){
			for(int j = 1; j <= i; j++){
				System.out.print((char)unicode);
				unicode++;
			}
			unicode--;
			System.out.println();
		}
	}
}
